ISN Audio EST50

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ISN Audio EST50 Flagship 2 EST + 2 BA+ 1 Dynamic Driver Hybrid 2Pin 0.78mm HiFi Audiophile IEMS

Specification

Brand:ISN Audio

Model: EST50

2 Sonion Electrostatic driver for ultra-high frequency

1BA Knowles for high frequency

1BA Sonion for middle frequency

10mm dynamic for bass

Rated input power: 2mW

Max input power: 3mW

Impedance: 18ohm±10%(@1kHz)

Sensitivity: 100±3dB(@1kHz)

Frequency response: 15Hz-70kHz

Connector: 2Pin 0.78mm

Plug: 3.5mm audio , 2.5mm balanced , 4.4mm balanced

Cable length: 1.2M

Package

ISN EST50 earphone

Warranty

18 months warranty

Free Shipping

All listed items will be shipped through Registered Airmail with tracking number if there is no extra shipping option or shipping description at the product page.

Economy shipping: Will be shipped without tracking number.(because of the covid-19 affects, economy airmail parcel is easy to lose, pls place the order by choosing registered airmail, or you purchase one more product , we can send together via registered airmail)

Registered Airmail : Will be shipped via such as Hong Kong post , Singapore Post, you can leave us a message if you have any requirements about the shipping method .

We can ship the parcel to Canada and Europe countries via tax-inclusive shipping method with extra charge, pls leave us a message if needed.

Express service: Will be shipped via DHL/EMS/UPS/FedEx,Canada and Europe countries will be shipped via tax-inclusive shipping method for free.